156,476 species and infraspecific names are in the database, 22,021 images, 60,453 bibliographic items, 447,756 distributional records.

Polysiphonia nigrescens f. protensa J.Agardh

Publication details
Polysiphonia nigrescens f. protensa J.Agardh 1863: 1058

Published in: Agardh, J.G. (1863). Species genera et ordines algarum, seu descriptiones succinctae specierum, generum et ordinum, quibus algarum regnum constituitur. Volumen secundum: algas florideas complectens. Part 2, fasc. 3. pp. 787-1138, 1158-1291. Lundae [Lund]: C.W.K. Gleerup. [in Latin]
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Type species
The type species (holotype) of the genus Polysiphonia is Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville.

Status of name
This name is currently regarded as a synonym of Vertebrata fucoides (Hudson) Kuntze

Origin of species name
Participle (Latin), becoming black (Stearn 1973).

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Created: 03 April 1999 by M.D. Guiry

Verified by: 11 March 2019 by M.D. Guiry

Accesses: This record has been accessed by users 538 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=18199

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 15 October 2019.

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